Acme 211.5 Whistles are available in four colours. Black, Orange, Purple and Blue. With an ultra high pitch single tone frequency they are ideal for all types of dog training. Acme whistles are the most popular whistles amongst gundog trainers but are equally as suitable for general obedience training.
A. Mitchell –
Great whistle – Fast delivery
This whistle came in 24hrs which for the NE Scotland is brilliant.
I love it and I couldnt remember the previous whistle number, but dogs responding perfectly.